【正文】
angxue_Pvalues(39。,39。)insert into jiangxue_Pvalues(39。,39。)insert into jiangxue_Pvalues(39。,39。)insert into jiangxue_Pvalues(39。,39。)insert into jiangxue_Pvalues(39。,39。)insert into jiangxue_Pvalues(39。,39。)insert into jiangxue_Pvalues(39。,39。) insertinto jiangxue_J values(39。,39。,39。)insertinto jiangxue_J values(39。,39。,39。)insertinto jiangxue_Jvalues(39。,39。,39。)insertinto jiangxue_Jvalues(39。,39。,39。,39。,39。,39。,39。,39。,39。,39。,39。,39。,39。,39。,39。,39。,39。,39。,39。,39。,39。,39。,39。,39。,39。,39。,39。,39。,39。,39。,39。,39。,39。,39。,39。,39。,39。,39。,39。,39。,39。,39。,39。,39。,39。,39。,39。,39。(2) 找出供應(yīng)工程J1零件P1的供應(yīng)商號(hào)select distinct Snofrom jiangxue_SPJwhere Jno=39。(3) 找出供應(yīng)工程J1紅色零件的供應(yīng)商號(hào)select distinct Snofrom jiangxue_SPJwhere Jno=39。)(4) 找出沒有使用杭州供應(yīng)商生產(chǎn)的綠色零件的工程號(hào)select distinct Jnofrom jiangxue_SPJwhere Pno in (select Pnofrom jiangxue_Pwhere Color=39。)(5) 找出同供應(yīng)商S1在同一城市的供應(yīng)商所提供的所有零件(6) 找出供應(yīng)紅色的P1零件且其供應(yīng)量大于200的供應(yīng)商號(hào)select Sno from jiangxue_SPJwhere exists(select * from jiangxue_Pwhere Pno= and Color=39。 and QTY200):(1)找出所有供應(yīng)商的姓名和所在城市select Sname,Cityfrom jiangxue_S(2)找出所有零件的名稱、顏色和重量select Pname,Color,Weightfrom jiangxue_P(3)找出使用供應(yīng)商S2所供應(yīng)零件的的工程號(hào)select Jno from jiangxue_SPJwhere Sno=39。 and =group by (5)找出杭州廠商供應(yīng)的所有零件號(hào)碼select distinct Pno from jiangxue_SPJwhere Sno in (select Sno from jiangxue_Swhere City=39。)(8)把全部紅色零件的顏色改成藍(lán)色修改前:修改后:(9)由供應(yīng)商S4供給J3零件P5改為由S3供應(yīng),請(qǐng)做必要的修改